docs: add FAQ section to Meshery Academy page

Signed-off-by: Nouran Atef <engineer_nouran@yahoo.com>

Author: Nouran-11

content/en/cloud/academy/_index.md

@@ -23,4 +23,39 @@ tags: [Academy]
 
 ###### **[Content Creators (Instructors)](https://docs.layer5.io/cloud/academy/creating-content/)**: Develop and publish structured materials, and manage the overall learning experience.
 
-###### **[Platform Developers](https://docs.layer5.io/cloud/academy/platform-development/)**: Extend and maintain the Academy platform, enabling new features and integrations.
+###### **[Platform Developers](https://docs.layer5.io/cloud/academy/platform-development/)**: Extend and maintain the Academy platform, enabling new features and integrations.
+
+## Frequently Asked Questions
+
+<details>
+<summary>What happens if I fail?</summary>
+
+If you don’t pass on your first attempt, you can review the learning materials and retake the assessment after additional preparation.  
+Each attempt helps reinforce your understanding of the concepts covered in the course.
+
+</details>
+
+<details>
+<summary>Can I retake the certification?</summary>
+
+Yes. Certifications through Meshery Academy are **self-paced** and **free**, allowing you to **retake the exam** until you achieve a passing score of **70 or above**.  
+However, **some certifications may limit the number of attempts**. Refer to the specific certification’s overview page for its retake policy.
+
+</details>
+
+<details>
+<summary>Does my certificate expire?</summary>
+
+No. All Meshery Academy certifications currently have **lifetime validity** — once earned, your credential does **not expire**.
+
+</details>
+
+<details>
+<summary>How can I showcase my credential?</summary>
+
+Upon successful completion, you’ll receive a **verifiable digital certificate**. You can:
+- Add it to your **LinkedIn profile** or resume
+- Share it on **social media**
+- Display it in your **Meshery Cloud profile** as a recognized credential
+
+</details>